Can anyone solve this IE6 bug?

Hi all,

I’ve got a CSS problem on this site:

When in IE6, the left hand nav jumps into the middle of the page. It seems to happen when you hover over the ‘Quicklinks’ button (which is a div) but this could be unrelated as sometimes it happens on load.

There is also a float drop problem but my main concern for now is this left hand menu problem.

Any ideas?